13382557 has 4 divisors (see below), whose sum is σ = 13609440. Its totient is φ = 13155676.

The previous prime is 13382549. The next prime is 13382561. The reversal of 13382557 is 75528331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75528331 = 17 ⋅4442843.

It is a cyclic number.

It is not a de Polignac number, because 13382557 - 2³ = 13382549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13382507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113353 + ... + 113470.

It is an arithmetic number, because the mean of its divisors is an integer number (3402360).

Almost surely, 2^13382557 is an apocalyptic number.

It is an amenable number.

13382557 is a deficient number, since it is larger than the sum of its proper divisors (226883).

13382557 is an equidigital number, since it uses as much as digits as its factorization.

13382557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226882.

The product of its digits is 25200, while the sum is 34.

The square root of 13382557 is about 3658.2177354553. The cubic root of 13382557 is about 237.4176674912.

The spelling of 13382557 in words is "thirteen million, three hundred eighty-two thousand, five hundred fifty-seven".